Home / 67,634.85-93,365.98-40,420.53

Finding the Fourth Proportional to 67,634.85, 93,365.98 and 40,420.53

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Solution

The fourth proportional to 67,634.85, 93,365.98 and 40,420.53 is: 55,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,634.85 : 93,365.98 = 40,420.53 : x
  2. Step 2: Convert to fraction form
    67,634.85/93,365.98 = 40,420.53/x
  3. Step 3: Cross multiply
    67,634.85x = 93,365.98 × 40,420.53
  4. Step 4: Simplify right side
    67,634.85x = 3,773,902,395.57
  5. Step 5: Solve for x
    x = 3,773,902,395.57/67,634.85
  6. Step 6: Final answer
    x = 55,798.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.